Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4NA callsign genealogy
Currently held by Radio Sport DX Club
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by NP4NA's current licensee, walking backwards.
- WP4SCLcancelledRadio Sport DX ClubPRgranted 2021-11-23cancelled 2021-12-14
Successor callsigns
Callsigns held now by people who previously held NP4NA.
No current licensee on record previously held this callsign.